"Decompose 13 into 10 and ______.", 5, 3, "Decompose 16 into ______ and 6.", 10, 6, "Decompose 14 into 10 and ______.", 10, 4, "Decompose 17 into ______ and 7.", 7, 10, "Decompose 12 into 10 and ______.", 2, 9, "Decompose ______ into 10 and 5.", 15, 10

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